2014
Complex Relationship between Ligand Binding and Dimerization in the Epidermal Growth Factor Receptor
Bessman NJ, Bagchi A, Ferguson KM, Lemmon MA. Complex Relationship between Ligand Binding and Dimerization in the Epidermal Growth Factor Receptor. Cell Reports 2014, 9: 1306-1317. PMID: 25453753, PMCID: PMC4254573, DOI: 10.1016/j.celrep.2014.10.010.Peer-Reviewed Original ResearchConceptsEpidermal growth factor receptorLigand bindingExtracellular regionGrowth factor receptorIntact epidermal growth factor receptorEGFR extracellular regionComplex allosteric regulationExtracellular epidermal growth factor receptorFactor receptorLigand-binding affinityAllosteric regulationReceptor dimerizationEGFR dimerizationAllosteric linkagePathological mutationsOncogenic mutationsNegative cooperativityMutationsDimerizationUnexpected relationshipBindingSpecific ligandsPivotal roleRecent advancesReceptors
2010
Structural Basis for Negative Cooperativity in Growth Factor Binding to an EGF Receptor
Alvarado D, Klein DE, Lemmon MA. Structural Basis for Negative Cooperativity in Growth Factor Binding to an EGF Receptor. Cell 2010, 142: 568-579. PMID: 20723758, PMCID: PMC2925043, DOI: 10.1016/j.cell.2010.07.015.Peer-Reviewed Original ResearchConceptsEGFR extracellular regionEpidermal growth factor receptorExtracellular regionEGF receptorDifferent signaling propertiesLigand-binding eventsLigand-induced dimerizationIntracellular tyrosine kinase domainNegative cooperativityCooperative ligand bindingTyrosine kinase domainAllosteric regulationEGF-binding sitesKinase domainFactor bindingGrowth factor receptorGrowth factor bindingStructural basisLigand bindingEGFR ligandsSignaling propertiesFactor receptorReduced affinityAsymmetric dimerUnoccupied sitesCell Signaling by Receptor Tyrosine Kinases
Lemmon MA, Schlessinger J. Cell Signaling by Receptor Tyrosine Kinases. Cell 2010, 141: 1117-1134. PMID: 20602996, PMCID: PMC2914105, DOI: 10.1016/j.cell.2010.06.011.Peer-Reviewed Original ResearchConceptsReceptor tyrosine kinasesTyrosine kinaseIntracellular tyrosine kinase domainRecent structural studiesGrowth factor ligandsTyrosine kinase domainUnexpected diversityKinase domainCell signalingLigand bindingCellular responsesFactor ligandRTK mutationsKinaseStructural studiesActivationSignalingDiversityMutationsDimerizationMechanismBindingDomain
2007
Ligand-Induced Structural Transitions in ErbB Receptor Extracellular Domains
Dawson JP, Bu Z, Lemmon MA. Ligand-Induced Structural Transitions in ErbB Receptor Extracellular Domains. Structure 2007, 15: 942-954. PMID: 17697999, DOI: 10.1016/j.str.2007.06.013.Peer-Reviewed Original ResearchConceptsExtracellular regionDimerization siteLow-resolution molecular envelopeEpidermal growth factor receptor (EGFR) activationGrowth factor receptor activationAutoinhibitory intramolecular interactionMajor domain rearrangementsSmall-angle X-ray scatteringReceptor extracellular domainDomain rearrangementsEGF receptorExtracellular domainLigand bindingEGFR mutantsReceptor conformationMutantsMolecular envelopeExtended conformationNew insightsReceptor activationCrystallographic studiesConformationIntramolecular interactionsReceptorsX-ray scattering